미 육군에서 중사보다 높고 원사보다 낮은 계급인 상사.
A non-commissioned officer rank in the United States Army, ranking above staff sergeant and below master sergeant.
예문:
"SFC Miller was responsible for the platoon's training schedule."
"He was promoted to SFC after twelve years of service."
"The SFC inspected the equipment before the mission began."